60 KEPTILES. 



narrow, miicli elongate, not black-edged, parallel to the vertebral 

 line ; no large gland on the upper side of legs ; tympanum very 

 distinct. Toes half- webbed ; third finger slender, mneh longer than 

 fourth. Brownish, with four or five pairs of large, dark, black- 

 edged spots ; sometimes with a very narrow whitish vertebral line. 



a. Adult. West Africa. From Mr. Eraser's Collection. 



h. Adult. Fernando Po. From Mr. Fraser's Collection. 



c. Adult. Coast of Guinea. From M. Parzudaki's Collection. 



d. Adult. Coast of Guinea. From Mr. Frank's Collection. 



e. Youns. Sierra Leone, 



8. Bufo tuberosus. (Plate III. fig. C.) 



Crown without bony enlargement, broad, rather concave. Para- 

 toids not elongate, obhque, oval, not black-edged ; no large gland 

 on the upper side of legs ; tympanum distinct, small, round. Toes 

 not quite half- webbed ; fingers slender, third much longer than 

 fourth. Uniform dirty brown, with some obsolete darker blotches ; 

 beneath dull yellowish, spotted with brown. Above and beneath 

 very warty ; warts covered with horny spines. 



a. Adult. Fernando Po. From Mr. Fraser's Collection. 



Description of the sj^ecimen. — No other Toad in the British Museum 

 Collection exhibits such a warty and rough skin ; on the back the 

 warts bear a horny spine in the centre, siuTounded by a ring of 

 other ones. In general appearance the species is somewhat similar 

 to B. pantherinus, but the snout is angular and shghtly compressed. 

 Skin of head closely adherent to the skull ; a series of tubercles 

 along the canthus rostrahs ; eyehds covered with numerous, high, 

 conical tubercles. Cleft of mouth moderate ; edge of upper jaw shai-p ; 

 tongue very narrow, much elongate. Paratoids vsdth a very rough 

 surface, obliquely situated on the shoulder, regularly oval, once and a 

 half as long as broad. Back covered with small conical tubercles and 

 with larger warts, bearing spines as above mentioned. Under parts 

 covered with numerous conical tubercles, but without warts. Ex- 

 tremities rather slender ; metacarpus with two blimt tubercles, larger 

 than those on the tarsus ; along the under side of each finger and 

 toe a series of very prominent, smooth, rounded tubercles. Toes 

 not quite half- webbed. Inner edge of tarsus not folded, tuberculous. 

 Size of B, viridis. 



9. Bufo celebensis. 



3Ius. Liigd. Batav, 



Crown broad, rather flat ; along the canthus rostrahs a sharp low 

 ridge, forming a convex line in front ; another bony and not sharp 

 enlargement, beginning from the inner edge of eyelid, bent outwards, 

 and swollen on the occiput, not continuous Avith the anterior ridge. 



